ELIZABETH

Oil // district 3 // lease#21586

op: WILLIAMS-CODY, INC.

cum_oil

68k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 67,645 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,366 BBL/mo

Di (annual)

72.1%

b-factor

0.4

EUR

64,586 BBL

R-squared

0.767

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ULTRAMAR OIL AND GAS LIMITED210,0002024-04-26
EOF // data source: Texas Railroad Commission // 2026